An electronics company wants to compare the quality of their cell phones to the cell phones from three competitors. They sample 10 phones from each company and count the number of defects for each phone. If ANOVA is used to compare the average number of defects, the treatments would be defined as:
A) the number of cell phones sampled.
B) the average number of defects.
C) the total number of phones.
D) the four companies.

Question

Quizplus · Accepted Answer

The treatments in this case would be the four companies being compared - the electronics company and its three competitors. It is not the number of phones sampled or the average number of defects that are being compared in this ANOVA.

An Electronics Company Wants to Compare the Quality of Their